generated: '2026-07-18' method: searched source: https://beeline.co/.well-known/openid-configuration note: >- Authentication surface on the Beeline storefront is provided by Shopify customer accounts (OpenID Connect / OAuth 2.0). There is no separate first-party Beeline developer-API auth scheme published. The UCP shopping MCP endpoint operates under buyer-approved checkout rather than developer API keys. summary: types: - oauth2 - openIdConnect oauth2_flows: - authorizationCode pkce: true schemes: - name: ShopifyCustomerAccountOIDC type: openIdConnect issuer: https://shopify.com/authentication/18978919 openIdConnectUrl: https://beeline.co/.well-known/openid-configuration authorization_endpoint: https://shopify.com/authentication/18978919/oauth/authorize token_endpoint: https://shopify.com/authentication/18978919/oauth/token end_session_endpoint: https://shopify.com/authentication/18978919/logout jwks_uri: https://shopify.com/authentication/18978919/.well-known/jwks.json grant_types: - authorization_code - refresh_token - urn:ietf:params:oauth:grant-type:jwt-bearer response_types: - code code_challenge_methods: - S256 token_endpoint_auth_methods: - client_secret_basic id_token_signing_alg: - RS256